25271805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{359}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 46085760

約数和(自身を除く): 20813955

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 359, 361, 741, 1077, 1083, 1235, 1795, 1805, 3705, 4667, 4693, 5385, 5415, 6821, 14001, 14079, 20463, 23335, 23465, 34105, 70005, 70395, 88673, 102315, 129599, 266019, 388797, 443365, 647995, 1330095, 1684787, 1943985, 5054361, 8423935, 25271805]

約数ペア:

[(1, 25271805), (3, 8423935), (5, 5054361), (13, 1943985), (15, 1684787), (19, 1330095), (39, 647995), (57, 443365), (65, 388797), (95, 266019), (195, 129599), (247, 102315), (285, 88673), (359, 70395), (361, 70005), (741, 34105), (1077, 23465), (1083, 23335), (1235, 20463), (1795, 14079), (1805, 14001), (3705, 6821), (4667, 5415), (4693, 5385)]